Search results

When I say left, I mean left unplugged!

With the black screen logic board, I have discovered that if it is left a few hours it boots perfectly and gives me the insert disk image. As soon as I power cycle it we’re back to black screen. This happens when attached to either of my analogue boards. It must be to do with heat on one of the...

Hi, yes I fully expected all of my issues to be analogue board related. There were issues on the analogue boards but they both now seem to be rock solid. There are no disturbances when I hit the sides of the machines or boards. Whichever analogue board I use to test with gives me a rock solid...

Are there any chips or other components on the logic board other than the ram or roms that could result in either of the problems?

Hi, thanks for replying. I have two analogue boards and they appear to work fine. Both have been fully reflowed. I have removed the solder from the connectors and re-flowed with both. I have also fully re-capped one of the analogue boards. The result is the same whichever logic board I use...

Hi, I’m hoping you guys will be able to help me! I recently bought a Mac Plus for cheap. I enjoy repairing and tinkering with old machines but have never owned an old Mac before. This machine produces a checkerboard pattern and makes one deep tone upon boot. I also acquired a second cheap...